*{
    margin: 0;
    padding: 0;
}
.Box{
    width:100vw;
    height:92vh;
    background:hotpink;
    position:fixed;
    top:0;
    left:0;
}
.about-header{
    width:100vw;
    height:7vh;
    background:gold;
    position:fixed;
    top:0;
    left:0;
}
.about-inner{
    width:100vw;
    height:85vh;
    background:white;
    position:fixed;
    top:7vh;
    left:0;
}